Table 2.
Volatile organic compounds (VOCs) produced by the antagonists
| Possible VOCs | RS-25 | MG-4 | Z-14 | Pnf-4 | ||||
|---|---|---|---|---|---|---|---|---|
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| No. | Relative peak area (%) | No. | Relative peak area (%) | No. | Relative peak area (%) | No. | Relative peak area (%) | |
| Ketone | 35 | 15.08 | 21 | 8.75 | 12 | 3.23 | 19 | 5.27 |
| Alcohol | 5 | 5.97 | 11 | 2.88 | 18 | 8.33 | 5 | 0.95 |
| Aldehyde | 5 | 7.02 | 8 | 1.12 | 6 | 5.37 | 1 | 0.94 |
| Olefin | 5 | 1.41 | 3 | 0.50 | 4 | 0.44 | 3 | 0.09 |
| Ester | 18 | 36.80 | 22 | 29.58 | 19 | 30.78 | 29 | 36.26 |
| Alkane | 30 | 29.71 | 17 | 4.32 | 16 | 8.86 | 30 | 16.24 |
| Phenol | 2 | 4.41 | 3 | 5.57 | 1 | 3.20 | 1 | 0.26 |
| Others | 9 | 14.22 | 8 | 2.47 | 16 | 4.94 | 3 | 0.08 |